735fbd5dd492ea5787fc0c98529f2399cfe5bb191bce9742b6986399e97e4338

Analysis

max time kernel
150s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 18:28

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General

Target

bc7fdca42d48dc115dbf277026308bf7.pdf
Size

83KB
MD5

bc7fdca42d48dc115dbf277026308bf7
SHA1

56ada5a22da494bfeddcca96c5d6a555c0947e09
SHA256

735fbd5dd492ea5787fc0c98529f2399cfe5bb191bce9742b6986399e97e4338
SHA512

58070935f47044b5744f7dfc20b231a0af25d29971aed019e934472306f9686b0bdac4f63a7d05b092eb061459536dbea8d365e4a51be00506b977f9a9d1604f
SSDEEP

1536:aguLF3yp2oiCep7bNpTOrqfmTVP3lgFiUUAY4OwA++8nRnWWOpOaZEW3XwpNkQY6:NumiCYrOrT3lEi7A+81LaZ0p/R

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 1604	3608	AcroRd32.exe	97
PID 3608 wrote to memory of 1604	3608	AcroRd32.exe	97
PID 3608 wrote to memory of 1604	3608	AcroRd32.exe	97
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 2828	1604	RdrCEF.exe	99
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100
PID 1604 wrote to memory of 4928	1604	RdrCEF.exe	100

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\bc7fdca42d48dc115dbf277026308bf7.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3608
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BDD7A478611F2490C0D91F024CC24BE1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2828
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C65704A2840A43E422E2CA7EC360CCD4 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=C65704A2840A43E422E2CA7EC360CCD4 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=ACE93B7DDD6635A7D0CB66C87934B0D3 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=ACE93B7DDD6635A7D0CB66C87934B0D3 --renderer-client-id=4 --mojo-platform-channel-handle=2036 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2124
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F92C379EE86C3BA420F33308AADEB569 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B8A53CDF1A8FC6FC679E2FDD60C01DC4 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=93B4B6339C5DF0BADA391F10F5FA6621 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4528

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4548 --field-trial-handle=2256,i,6057863739127169200,6895476048812676039,262144 --variations-seed-version /prefetch:8
1⤵
PID:5168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
fefad637096c07dbce2e236b48edcefa

SHA1
32dd50c6bb732430edbef42e81143923d85e7b07

SHA256
c778dde985bc32f77dcb4af0f2418efc0841e4a85480527c74e6f5f9472115ef

SHA512
e3697f5e2ae005028d018e0c279c36a54e294ef53079abab6b1dcd7dabf34b254c4a6ff1a96190598d0b545fceeb47d183230e645c39db4929d368362f960f08

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit